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. Author manuscript; available in PMC: 2010 Jul 19.
Published in final edited form as: Fungal Genet Biol. 2007 Jun 21;45(3):180–189. doi: 10.1016/j.fgb.2007.06.004

Figure 1.

Figure 1

Reactions of fatty acid β-oxidation. Fatty acyl-CoAs are first oxidized to enoyl-CoAs; depending on subcellular localization the electrons are passed either to ubiquinone (via electron transfer flavoproteins in the mitochondria) or to oxygen (producing hydrogen peroxide in peroxisomes). Enoyl-CoAs are hydrated to hydroxyacyl-CoAs, which are in turn oxidized to ketoacyl-CoAs (this time electrons are passed to NAD). The acetyl group is then transferred to a free CoA molecule (release of acetyl-CoA). The remaining acyl-CoA, now shorter by two carbon units, may undergo additional rounds of β-oxidation. Gene products whose functions have been previously described (Maggio-Hall and Keller, 2004) or described in this study are indicated.